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US 2022/0091455 A1Published application
Privacy display control apparatus
AssigneeRealD Spark, LLC
InventorsJonathan Harrold, Robert A. Ramsey, Michael G. Robinson, Graham J. Woodgate
Life of this patent
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Abstract
A control system for a switchable privacy display apparatus comprises sensors arranged to determine device location, operating environment, document type, application type and further comprises a privacy policy for control of privacy images. High image visibility is provided for public mode operation while in privacy mode a high visual security level may be obtained by means of control of image luminance, contrast and white point in response to the privacy policy.
Claims21
A display apparatus comprising:
- a display device arranged to display an image and capable of operating in at least a public mode and a privacy mode, wherein the visibility of the image to an off-axis viewer is reduced in the privacy mode compared to the public mode;
- and
- a control system arranged to control the display device, the control system being capable of selectively operating the display device in the public mode or the privacy mode,
- wherein the display apparatus is capable of executing application software and the control system is arranged to selectively operate the display device in the public mode or the privacy mode in response to the context of the application software being executed.
1 more element
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Dependencies are inferred from the claim text.